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Friday, October 22, 2010

DAL 35 is Full Frame Compatible

Follow the thread and see some sample photos taken with film:-

http://forum.xitek.com/showthread.php?threadid=542461
(in Simplified Chinese, machine-translated English Page Here)

Whilst it is verified that it is 100% Full Frame compatible, it is not that surprised at all as the DA(L)35/2.4 was found to be just a crippled and re-packaged FA35/2 after all.


Related:-

Compatibility of DA Lenses on Full Frame
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Chris's avatar

Chris · 754 weeks ago

Rice -
I really don't like how you say "crippled". It is MODIFIED.
C
1 reply · active 754 weeks ago
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RiceHigh 110p · 754 weeks ago

How about "Modded"? ;-)
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Lurker · 754 weeks ago

How about 'a cheaper version of''?
Can we say a Canon 550D is a 'crippled' 50D? Or a D90 is a 'crippled' D300? Ditto with the K-r and K-5 :D
2 replies · active 754 weeks ago
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RiceHigh 110p · 754 weeks ago

The lens glass diameter is crippled to suit the smaller maximum aperture and hence the slower speed of the new lens (and also to save weight and manufacturer cost as a result). Just see this:-
http://forum.digitalfotonetz.de/viewtopic.php?p=1...

As such, I do believe that "crippled" is actually the right and exact word to describe!
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Lurker · 754 weeks ago

Yes. The pentamirror and the lesser cross type sensors of the of the 550D makes it a crippled 50D.
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Mike · 754 weeks ago

And I really don't like how you say "DAL". It is DA...

Like your deliberately putting it down already...
1 reply · active 754 weeks ago
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RiceHigh 110p · 754 weeks ago

Don't you see "fengwei" (aka "frank" something), i.e., the tester and poster whom did and posted this test, did also call the DA35/2.4 as the DAL35 lens! So?
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Lurker · 754 weeks ago

Oh and one more thing... If they just made that same (or almost the same) optical quality available at a cheaper price, should it be something to complain about? Well maybe those who CAN afford premium glass will :)
6 replies · active 754 weeks ago
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RiceHigh 110p · 754 weeks ago

How about for users like me whom had purchased the FA 35/2 already? What is the meaning of another lens with a copied optical formula and supposedly to be not better optical quality and also a half-stop speed loss?
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Lurker · 754 weeks ago

A cheaper alternative? For the less fortunate? Buy another another model perhaps?
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Alex's avatar

Alex · 754 weeks ago

Cheaper (but with good optics) is bad. Choice is bad. Everything is bad, and all the bad things in the world are their fault.
That, if it's about Pentax. If talking about other systems, OTOH... ;)
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Alex's avatar

Alex · 754 weeks ago

You don't have a clue if the new 35mm has the same formula as the FA. The diagrams don't tell the full story; e.g. maybe Pentax tweaked the FA's optical design (while keeping the same number of elements/groups and their positions); to make it better or to make it cheaper, or maybe both. Maybe they even started "from scratch", and getting a similar design.
An example is the double Gauss design, used by several 50mm's; e.g. the Pentax 50mm f/1.7 and the Nikkor f/1.8 - don't tell me they are identical...
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RiceHigh 110p · 754 weeks ago

"Maybe"s.. So, you're just uncertain about everything. The overlaid diagrams tell us that they are almost the same. What facts you actually have to support your claims? Imaginations of your own only?
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Alex · 754 weeks ago

The proof of burden is entirely yours, since you're the one claiming things. I only claim you have no clue, and that's a fact :p
But maybe you can find out the precise elements shape,positioning&size and also their composition by looking at the overlaid diagrams. I know I can't.
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OGL's avatar

OGL · 754 weeks ago

8. Widest aperture is actually faster than F2.4, It's more like a F2.1 to F2.2 lens http://www.pentaxforums.com/forums/1227190-post1....

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